using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Configuration;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Xml;

namespace wadoClient
{
    public partial class Form1 : Form
    {
        string wado = String.Empty;
        string wadoRS = String.Empty;
        string wadoURI = String.Empty;
        string tmpPath = System.Environment.CurrentDirectory + "\\temp";
        public Form1()
        {
            InitializeComponent();
            string wado = ConfigurationManager.AppSettings["wado"];
            string user = ConfigurationManager.AppSettings["User"];
            string pwd = ConfigurationManager.AppSettings["Password"];
            wado = wado + "User=" + user + "&Password=" + pwd;
            wadoRS = wado + "&requestType=Query&accessionNumber=";
            wadoURI = wado + "&requestType=WADO&contentType=application%2Fdicom&objectUID=";
            textBox2.Text = wado;
            Console.WriteLine(wado);
            if (Directory.Exists(tmpPath) == false) 
            {
                Directory.CreateDirectory(tmpPath);
            }
        }

        private void btnQuery_Click(object sender, EventArgs e)
        {
            string accessionNumber = textBox1.Text;
            textBox2.Text = wadoRS + textBox1.Text;
            if (textBox5.Text.Length>0)
            {
                textBox2.Text = wadoRS + textBox1.Text + "&patientid=" + textBox5.Text;
            }
            string studyinfo = HttpRequestHelper.HttpGetRequest(textBox2.Text);
            this.richTextBox1.Text = studyinfo;
            if (studyinfo.Length>0)
            {
                XmlDocument xml = new XmlDocument();
                xml.LoadXml(studyinfo);
                xml.Save(tmpPath + "\\" + accessionNumber + ".xml");
                MessageBox.Show(xml.InnerXml);
                XmlNodeList dataset = xml.SelectNodes("//dataset");
                XmlNodeList topM = dataset[0].SelectNodes("//objectUID");
                //MessageBox.Show(topM.Count.ToString());
                if (topM.Count>0)
                {
                    string studyPath = tmpPath + "\\" + accessionNumber;
                    if (Directory.Exists(studyPath) == false)
                    {
                        Directory.CreateDirectory(studyPath);
                    } else
                    {
                        DeleteFolder(studyPath);
                    }
                    foreach (XmlElement element in topM)
                    {

                        if (element.InnerText.Length>0)
                        {
                            //MessageBox.Show(element.InnerText);
                            HttpDldFile df = new HttpDldFile();
                            textBox3.Text = wadoURI + element.InnerText;
                            this.richTextBox2.AppendText(textBox3.Text);
                            textBox4.Text = studyPath + "\\" + element.InnerText + ".dcm";
                            // df.Download(wadoURI + element.InnerText, studyPath + "\\" + element.InnerText + ".dcm");
                        }
                    }
                }

            }
            
        }
        private void btnDownload_Click(object sender, EventArgs e)
        {
            HttpDldFile df = new HttpDldFile();
            df.Download(textBox3.Text, textBox4.Text);
        }
        /// <summary>
        /// 清空文件夹
        /// </summary>
        /// <param name="dir"></param>
        private void DeleteFolder(string dir)
        {
            foreach (string d in Directory.GetFileSystemEntries(dir))
            {
                if (File.Exists(d))
                {
                    try
                    {
                        FileInfo fi = new FileInfo(d);
                        if (fi.Attributes.ToString().IndexOf("ReadOnly") != -1)
                            fi.Attributes = FileAttributes.Normal;
                        File.Delete(d);//直接删除其中的文件 
                    }
                    catch
                    {

                    }
                }
                else
                {
                    try
                    {
                        DirectoryInfo d1 = new DirectoryInfo(d);
                        if (d1.GetFiles().Length != 0)
                        {
                            DeleteFolder(d1.FullName);////递归删除子文件夹
                        }
                        Directory.Delete(d);
                    }
                    catch
                    {

                    }
                }
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }
    }
}